page - 1 77 th ietf – anaheim, california, march 2010 routing and wavelength assignment...

77th IETF – Anaheim, California, March 2010Page - 1

Routing and Wavelength Assignment Information Model for Wavelength Switched

Optical Networks

Young Lee ylee@huawei.com

Huawei Greg Bernstein gregb@grotto-networking.com

Grotto Networking

draft-ietf-ccamp-wson-info-07.txt

77th IETF – Anaheim, California, March 2010Page - 2

Authors/Contributors

• Greg Bernstein (Grotto Networking)• Diego Caviglia (Ericsson)• Ander Gavler (Acreo AB)• Young Lee (Huawei)• Dan Li (Huawei)• Wataru Imajuku (NTT)• Jonas Martensson (Acreo AB)• Itaru Nishioka (NEC Corp.)

77th IETF – Anaheim, California, March 2010Page - 3

Information for RWA in WSON

• Contains high level path computation info model for WSONs– Not a management info model, but a path

computation information model

• Same scope of applicability as WSON RWA Framework document

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Changes

• Changes from 04– Removed encoding specific text from Section 4.1. – Removed encoding specific text from Section 3.4.

• Changes from 05– Renumbered sections for clarity. – Separated Generic model from WSON specific model – Added signal compatibility model (WSON specific)

• Changes from 06– Simplified information model for WSON specifics, by

combining similar fields and introducing simpler aggregate information elements.

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Next Steps

Prepare for last call

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Supplemental Material: Model Background

• Evaluation of models against real and proposed systems can be found in:– G.M. Bernstein, Y. Lee, A. Gavler, and J. Martensson,

“Modeling WDM Wavelength Switching Systems for Use in GMPLS and Automated Path Computation,” Journal of Optical Communications and Networking, vol. 1, Jun. 2009, pp. 187-195.  

– G. Bernstein, Y. Lee, “A WSON GMPLS Model for Signal Compatibility and Switching Systems including Wavelength Converters and Regenerators”, preprint 2010 available at: http://www.grotto-networking.com/sites/default/files/ModelingSwitchesConvertersRegensV02f_0.pdf